1270720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:66

約数の個数: 84

約数和(自身を含む): 3483864

約数和(自身を除く): 2213144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 361, 380, 418, 440, 608, 704, 722, 760, 836, 880, 1045, 1216, 1444, 1520, 1672, 1760, 1805, 2090, 2888, 3040, 3344, 3520, 3610, 3971, 4180, 5776, 6080, 6688, 7220, 7942, 8360, 11552, 13376, 14440, 15884, 16720, 19855, 23104, 28880, 31768, 33440, 39710, 57760, 63536, 66880, 79420, 115520, 127072, 158840, 254144, 317680, 635360, 1270720]

約数ペア:

[(1, 1270720), (2, 635360), (4, 317680), (5, 254144), (8, 158840), (10, 127072), (11, 115520), (16, 79420), (19, 66880), (20, 63536), (22, 57760), (32, 39710), (38, 33440), (40, 31768), (44, 28880), (55, 23104), (64, 19855), (76, 16720), (80, 15884), (88, 14440), (95, 13376), (110, 11552), (152, 8360), (160, 7942), (176, 7220), (190, 6688), (209, 6080), (220, 5776), (304, 4180), (320, 3971), (352, 3610), (361, 3520), (380, 3344), (418, 3040), (440, 2888), (608, 2090), (704, 1805), (722, 1760), (760, 1672), (836, 1520), (880, 1444), (1045, 1216)]